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nlexa [21]
3 years ago
9

In which of the following would the cell cycle be shortest?

Biology
2 answers:
ziro4ka [17]3 years ago
7 0

The correct answer is embryonic cells.

The embryonic cells are the cells present in the embryonic stage of the development of a fetus. The embryonic cells divide rapidly in order to make different cells present in the body and growth. So, these cells have a very short life span.

--------------------------------------------------------------------------------------------

The length of the cell cycle is increased after childhood, as the growth required is very less as compared to the embryonic life. The gametes (egg or sperm) fuse together, which result in formation of zygote, but before the formation of the zygote, the mature gamete cells do not divide.

alexgriva [62]3 years ago
6 0
An embryonic cell
The reason for this is that embryonic cells need to multiply very quickly and into large numbers so their cell cycles are short.
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A variety of opium poppy (Papaver somniferum L.) having lacerated leaves was crossed with a variety that has normal leaves. All
Ainat [17]

Answer:

The correct answer is-

F1 -  AaBb (lacerate)

F2 - A_B_; A_bb; and aaB_ (lacerate)

     - aabb (normal)

2. Two genes, with a dominant allele at either or both loci.

Explanation:

The given information gives THE following data:

Dominant: Lancerate leaves - AABB

Recessive: normal leaves - aabb

F1 has - all Lacerated leaves - AaBb

F2 by selfing F1:

         AB               Ab         aB         ab

AB    AABB        AABb      AaBB    AaBb

Ab     AABb       AAbb      AaBb     Aabb

aB     AaBB       AaBb       aaBB     aaBb

ab     AaBb       Aabb       aaBb      aabb

Here, 15/16 = lacerate which is 0.94 which is equal to the value of lacerate given in the question - 249/265 = 0.94

And normal 1/16 = 0.062 is almost same as 16/265 = 0.060

Thus, the genotypes of -

F1 -  AaBb (lacerate)

F2 - A_B_; A_bb; and aaB_ (lacerate)

     - aabb (normal)

5 0
3 years ago
Explain two different perspectives of different marine industries on the carbon cycle.
allochka39001 [22]

Answer:

The marine industries affected the marine life and ocean water in many ways. When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean's pH drops. In the past two hundred years alone, ocean water has become 30 percent more acidic and faster than any known change in ocean chemistry in the last million years.

Hope it helps!

8 0
2 years ago
Que tipo de celula es un virus
Feliz [49]

Answer:

Un virus no es una célula sino un organismo microscópico que invade las células de sus huéspedes.

Explanation:

5 0
3 years ago
How a synthetic sponge mimics a live sponge to pick up dirt
natima [27]

The component would be known as a microfiber i think im not sure

8 0
3 years ago
What implications need to be considered when creating environmental policies?
butalik [34]

Answer:

Is the benefit worth the cost?

Explanation:

Environmental policies application has to lead to some economic cost.

When coming up with this policies, the effect that this policies shall have towards environmental protection shall be considered.

The cost and economic effect that this policies shall cause should also be looked at.

If a policy causes insignificant change towards environmental protection and at the same time the costs are too high, then the policy should be dropped.

If a policy has got significant impact and costs less, the it should be taken.

5 0
3 years ago
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